document.write( "Question 180120: The value of cos 3pi, where 3pi is radian measure , is \n" ); document.write( "
Algebra.Com's Answer #134986 by jim_thompson5910(35256) ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Note: The angle |